The area of four walls of a room is 264m2 ,height is 4m ,breadth is 15 .find its length ?
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as we are given the area of four walls , we will apply lateral surface area .
2×h×( l + b ) = 264
2 × 4 × ( l + 15 ) = 264
8 × ( l + 15 ) =264
(l + 15 ) = 264 / 8
( l + 15 ) = 33
open the bracket now
l + 15 = 33
l = 33 - 15
l = 18 m
HOPE IT HELPS !!
2×h×( l + b ) = 264
2 × 4 × ( l + 15 ) = 264
8 × ( l + 15 ) =264
(l + 15 ) = 264 / 8
( l + 15 ) = 33
open the bracket now
l + 15 = 33
l = 33 - 15
l = 18 m
HOPE IT HELPS !!
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